# Sets the minimum version of CMake required to build your native library.
# This ensures that a certain set of CMake features is available to
# your build.

cmake_minimum_required(VERSION 3.4.1)

# Specifies a library name, specifies whether the library is STATIC or
# SHARED, and provides relative paths to the source code. You can
# define multiple libraries by adding multiple add.library() commands,
# and CMake builds them for you. When you build your app, Gradle
# automatically packages shared libraries with your APK.

add_library( # Specifies the name of the library.
             gpuimage-library

             # Sets the library as a shared library.
             SHARED

             # Provides a relative path to your source file(s).
             src/main/cpp/gpuimage-library.c)

find_library( # Sets the name of the path variable.
                         log-lib

                         # Specifies the name of the NDK library that
                         # you want CMake to locate.
                         log )

           # Specifies libraries CMake should link to your target library. You
           # can link multiple libraries, such as libraries you define in this
           # build script, prebuilt third-party libraries, or system libraries.

target_link_libraries( # Specifies the target library.
                                  gpuimage-library

                                  # Links the target library to the log library
                                  # included in the NDK.
                                  ${log-lib} )